Media is a tool closely related to information or disinformation. On the other hand, manipulation expresses a deliberate, systematic and controlled process or set of procedures by which manipulators using symbolic means point out to the public the means of communicating certain information and messages to influence their beliefs, attitudes, and people's thinking. According to statistics, the Internet is the most important media today, primarily for younger generations. One of the methods of manipulation highlights advertisements that have the power to manipulate and the power to accept the falsehood, which would make gains. Many marketing experts develop advertising so that they are focused on creating the need to earn earnings. The aim of the paper is to define media in the first part, and the information gains the power of manipulation through them, defining the very concept of manipulation, and explaining the theory of manipulation. The second part of the paper deals with examining public awareness of the manipulation and influence of the media in Croatia and Spain. Given the multitude of different media, the question arises as to which of them has the greatest power of manipulation and which of these two countries worries more about the influence of manipulation on various information. The paper presents the results of primary research in which respondents from two different countries, Croatia-Spain, present their views on manipulative power.